Control (n = 10) | Autism (n = 9) | |
---|---|---|
Age (years) | 23.9 ± 10 | 24.3 ± 12 |
Volume (mm3) | ||
Lateral nucleus | 452 ± 43 | 456 ± 86 |
Basal nucleus | 343 ± 30 | 334 ± 56 |
Accessory basal nucleus | 152 ± 16 | 151 ± 27 |
Central nucleus | 34 ± 6 | 34 ± 8 |
Remaining nuclei | 399 ± 48 | 396 ± 77 |
Total amygdala | 1380 ± 114 | 1371 ± 224 |
Neuron number (×106) | ||
Lateral nucleus | 4.00 ± 0.40 | 3.47 ± 0.57* |
Basal nucleus | 3.24 ± 0.52 | 2.88 ± 0.58 |
Accessory basal nucleus | 1.28 ± 0.20 | 1.10 ± 0.26 |
Central nucleus | 0.36 ± 0.08 | 0.35 ± 0.05 |
Remaining nuclei | 3.34 ± 0.53 | 2.94 ± 0.32 |
Total amygdala | 12.21 ± 1.28 | 10.74 ± 1.47* |
Neuronal density (no. per cm3) | ||
Lateral nucleus | 8.98 ± 0.80 | 7.78 ± 1.44* |
Basal nucleus | 9.38 ± 1.18 | 8.71 ± 1.52 |
Accessory basal nucleus | 8.61 ± 0.85 | 7.38 ± 1.74 |
Central nucleus | 10.61 ± 1.56 | 10.58 ± 2.41 |
Remaining nuclei | 8.22 ± 0.80 | 7.70 ± 1.99 |
Total amygdala | 8.87 ± 0.53 | 7.99 ± 1.55 |
Neuronal area (μm2) | ||
Lateral nucleus | 257 ± 19 | 253 ± 28 |
Basal nucleus | 265 ± 24 | 268 ± 32 |
Accessory basal nucleus | 273 ± 21 | 282 ± 25 |
Central nucleus | 185 ± 15 | 174 ± 12 |
Remaining nuclei | 211 ± 14 | 216 ± 19 |
Total amygdala | 238 ± 15 | 239 ± 19 |
↵*Measurement significantly lower than controls at p < 0.05.